package net.expectx.pay.gateway.filter;

import javax.servlet.*;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 头部过滤器
 * @author
 */
public class HeaderFilter implements Filter {

    public void destroy() {

    }

    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
            throws IOException, ServletException {
        HttpServletResponse response = (HttpServletResponse) res;
        response.setHeader("Access-Control-Allow-Origin", "*");
        response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
        response.setHeader("Access-Control-Max-Age", "3600");
        response.setHeader("Access-Control-Allow-Headers", "x-requested-with,Encrypt,Access-Token");
        chain.doFilter(req, response);
    }

    public void init(FilterConfig arg0) throws ServletException {

    }
}
